Example

Below is an example JSON for the resource

{
    "resourceType": "Observation",
    "id": "aa9f1bd3-e354-4a1f-91b9-746aa1107fba",
    "status": "final",
    "category":  [
        {
            "coding":  [
                {
                    "system": "http://roche.com/fhir/rdc/cs",
                    "code": "clinical-observation",
                    "display": "Clinical Observation"
                }
            ]
        }
    ],
    "code": {
        "coding":  [
            {
                "system": "http://loinc.org",
                "code": "41653-7",
                "display": "Glucose [Mass/volume] in Capillary blood by Glucometer"
            }
        ]
    },
    "subject": {
        "reference": "Patient/14435e70-25d8-4db4-8941-9a191735b31e"
    },
    "effectiveDateTime": "02/13/2019 08:12:00",
    "performer":  [
        {
            "reference": "Patient/14435e70-25d8-4db4-8941-9a191735b31e"
        }
    ],
    "valueQuantity": {
        "value": "75",
        "unit": "mg/dL",
        "system": "http://unitsofmeasure.org",
        "code": "mg/dL"
    },
    "device": {
        "reference": "DeviceMetric/d4f6069e-250a-46b4-a808-c5cf0f5ed3be"
    }
}